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Experimental design using Minitab software and standardized effects of temperature, pH, and time on the adsorption of imidacloprid insecticide at 25 mg/L on Ch-CuO NPs.
| Run order | Temperature (°C) | pH | Time (min) | Adsorption (%) ± SE |
|---|---|---|---|---|
| 1 | 10 | 5 | 10 | 12.18±0.58 |
| 2 | 40 | 5 | 10 | 31.86±1.16 |
| 3 | 10 | 9 | 10 | 62.21±0.62 |
| 4 | 40 | 9 | 10 | 84.24±0.78 |
| 5 | 10 | 5 | 40 | 19.23±1.77 |
| 6 | 40 | 5 | 40 | 27.93±2.01 |
| 7 | 10 | 9 | 40 | 92.91±1.72 |
| 8 | 40 | 9 | 40 | 100.00±0.00 |
| 9 | 25 | 7 | 25 | 87.43±0.98 |
